#191D4A#191D4A

#191D4A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.083 H 275.1°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#191D4A
RGB	rgb(25, 29, 74)
HSL	hsl(235, 49%, 19%)
HSV	hsv(235, 66%, 29%)
CMYK	cmyk(66.2%, 60.8%, 0%, 71%)
CIE-LAB	lab(13.11, 14.31, -28.67)
CIE-LCH	lch(13.11, 32.04, 296.52°)
OKLab	oklab(25.65% 0.0074 -0.0822)
OKLCH	oklch(25.65% 0.083 275.1)
XYZ	xyz(2.0759, 1.5797, 6.6727)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191D4A #4A4619

analogous

#19364A #191D4A #2E194A

triadic

#191D4A #4A191D #1D4A19

tetradic

#191D4A #4A1936 #4A4619 #194A2E

square

#191D4A #4A1936 #4A4619 #194A2E

split-complementary

#191D4A #4A2E19 #364A19

monochromatic

#080917 #0A0B1C #191D4A #282F78 #3841A5

Accessibility & contrast

On white

15.96

#191D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#191D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191D4A

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191D4A	#FFFFFF	#000000	##FFFFFF
##191D4A	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01244C

Deuteranopia (green-blind)

#002049

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #191d4a;
/* rgb */ color: rgb(25, 29, 74);
/* oklch */ color: oklch(25.7% 0.083 275.1);

Tailwind

colors: {
  custom: {
    50: '#5c587d',
    500: '#191d4a',
    950: '#000000',
  },
}

SCSS

$custom: #191d4a;
$custom-light: #5c587d;
$custom-dark: #000000;

JSON

{
  "hex": "#191d4a",
  "rgb": {
    "r": 25,
    "g": 29,
    "b": 74
  },
  "hsl": {
    "h": 235.102,
    "s": 49.495,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25652,
    "c": 0.08256,
    "h": 275.1
  },
  "luminance": 0.0158
}

Semantic roles & 50–950 ramp

primary

#191D4A

secondary

#807B3E

accent

#CE4FD9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #191D4A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →